Shraddha Bhalerao’s Post

A weekly Java Coding Series – program 132 contains() method in Java contains() is a method used to check whether a specific element exists in a collection or to check substring presence in a string. It is useful to perform conditional logic and helps to search quickly without manual loops. It helps to write clean and readable code and reduces boilerplate code. #java #softwaredevelopment #softwareengineer #linkedincreators #skilledshraddha Program and output –

A weekly Java Coding Series – program 133 averagingInt() method in Java - This method is present in Java 8 as part of the Stream API. It calculates the average of integer values from a stream. It removes the need for manual sum and count logic. It helps write clean, concise and more readable code. #java #softwaredevelopment #softwareengineer #linkedincreators #skilledshraddha Program and output –

🚀 100 Days of Java Tips — Day 12 Tip: Avoid NullPointerException like a pro NullPointerException is one of the most common errors in Java and one of the easiest to avoid if you follow the right practices. It usually happens when you try to use an object that hasn't been initialized. Example: Calling methods on a null object will crash your application. Why it matters: • Can break your application at runtime • Hard to debug in large systems • Very common in real-world projects Best practices to avoid it: • Always validate inputs before using them • Use "Objects.requireNonNull()" for safety • Return empty collections instead of null • Use "Optional" where it makes sense Don't ignore null checks They can silently break production systems Good developers don't just write code They write safe code Have you faced NullPointerException in your projects? 👇 #Java #JavaTips #Programming #Developers #BackendDevelopment #CleanCode

🚀 Introduction to Executor Framework in Java Managing threads manually can become complex and error-prone in real-world applications. That’s where the Executor Framework comes in. The Executor Framework, introduced in java.util.concurrent, helps manage and control thread execution efficiently using thread pools instead of creating threads manually every time. 🔹 Why use it? Reuses existing threads Improves performance Simplifies concurrency management Makes applications more scalable 🔹 Common Executors FixedThreadPool – fixed number of threads CachedThreadPool – creates threads as needed SingleThreadExecutor – one thread for sequential tasks ScheduledThreadPool – for delayed and periodic tasks 🔹 Key Benefit You submit tasks, and the framework decides how to run them efficiently. 🔹 Interview One-Liner “Executor Framework abstracts thread creation and lifecycle management, making concurrent programming more manageable and production-friendly.” #Java #ExecutorFramework #Multithreading #Concurrency #JavaDeveloper #InterviewPrep #BackendDevelopment

📘 Core Java Short Forms & Full Forms – Quick Revision Guide Sharing a simple PDF covering important Java abbreviations and their full forms, including: ✅ JDK, JRE, JVM ✅ JDBC, JPA, JTA ✅ JSP, Servlet, JSTL ✅ JAX-RS, JAX-WS ✅ And many more… Perfect for quick revision & interview preparation 🚀 #Java #CoreJava #JavaDeveloper #InterviewPreparation #Programming #BackendDevelopment

Java Text Blocks, a feature introduced in Java 15, help resolve Sonar issues. However, most developers are not using this feature. It should be adopted and used regularly. https://lnkd.in/gdg2RfeJ

Master Java Generics with this guide: learn syntax, use cases, and limitations through clear examples and practical tips for safe coding.

Master Java Generics with this guide: learn syntax, use cases, and limitations through clear examples and practical tips for safe coding.

Bob can create a java GUI program using a simple prompt: "write some java code that has a label and a textbox using swing class libraries to ask for a number and display the double of the number"

Java Collections Framework! As a developer, mastering collections is like mastering the backbone of Java.   Currently revising this topic and found this diagram super helpful to visualize the hierarchy.  Sharing it here so it can be a quick reference for others too. 😊 #Java #JavaDeveloper #CollectionsFramework #Programming #BackendDevelopment #SoftwareEngineering #TechCommunity